4424 search results - page 839 / 885 » Semantic virtual environments |
MANSCI
2007
14 years 11 months ago
2007
Extracting sentiment from text is a hard semantic problem. We develop a methodology for extracting small investor sentiment from stock message boards. The algorithm comprises di�...
101
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ACTAC
1998
14 years 11 months ago
1998
In a semi-structured database there is no clear separation between the data and the schema, and the degree to which it is structured depends on the application. Semi-structured da...
165
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VLDB
1998
ACM
14 years 11 months ago
1998
ACM
The increasing power of modern computers steadily opens up new application domains for advanced data processing such as engineering and knowledge-based applications. To meet their...
175
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ICDE
2004
IEEE
16 years 1 months ago
2004
IEEE
Data integration over multiple heterogeneous data sources has become increasingly important for modern applications. The integrated data is usually stored in materialized views fo...
102
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WWW
2008
ACM
16 years 15 days ago
2008
ACM
Wikis have proven to be a valuable tool for collaboration and content generation on the web. Simple semantics and ease-of-use make wiki systems well suited for meeting many emergi...